In the episode airing this Friday, the 67-year-old Oscar winner takes on the character Peggy McGee, Phineas and Ferb's nosy neighbor who has witnessed all of the boys' outrageous summer antics, and can't wait to tell their mom all about it.

Click the video for a sneak peek!

This episode of Phineas and Ferb, also guest-starring Gordon Ramsay as Chef, premieres Friday, September 13 at 9:30 PM on Disney Channel.